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Showing 1–24 of 126 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cardiac Interventional Procedure Clear all
Completed Phase 3 Interventional

Effect of Empirical Left Atrial Appendage Isolation on Long-term Procedure Outcome in Patients With Persistent or Long-standing Persistent Atrial Fibrillation Undergoing Catheter Ablation

NCT01362738
View directory record Official record
Conditions
Persistent Atrial Fibrillation
Interventions
RFCA of PV and extra-PV triggers, LAA isolation along with the conventional ablation strategy
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Not applicable Interventional

Measuring Hydration Levels of Healthy and Heart Failure Patients Before, During, and After an Electrophysiology (EP) Procedure

NCT04609683
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
AleriTM sensors
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 4, 2026, 12:41 AM EDT
Not listed Phase 1 Interventional

MYOHEART™ (Myogenesis Heart Efficiency and Regeneration Trial)

NCT00054678
View directory record Official record
Conditions
Congestive Heart Failure, Coronary Artery Disease, Myocardial Infarction
Interventions
MyoCell™, MyoCath™
Drug · Device
Lead sponsor
Bioheart, Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
5
States / cities
Sunrise, Florida • Atlanta, Georgia • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2007 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Not applicable Interventional Results available

Prophylactic Maze to Prevent Atrial Fibrillation in Adult Cardiac Surgery

NCT03604432
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
propylactic maze
Device
Lead sponsor
Corewell Health West
Other
Eligibility
70 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Sep 4, 2026, 12:41 AM EDT
Completed No phase listed Observational

Evaluating the Efficacy and Feasibility of a Novel Wireless ECG Recording System in Monitoring Patients After Atrial Fibrillation Ablation Procedure

NCT01912911
View directory record Official record
Conditions
Persistent Atrial Fibrillation, Paroxysmal Atrial Fibrillation
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Sep 4, 2026, 12:41 AM EDT
Completed No phase listed Observational

Tracking Treatment Pathways in Adult Patients With Hyperkalemia.

NCT05408039
View directory record Official record
Conditions
Hyperkalemia
Interventions
Not listed
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
1,331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
17
States / cities
Huntsville, Alabama • La Jolla, California • Rancho Cucamonga, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Study to Investigate the Reliability of Fetal Heart Rate and Maternal Heart Rate Signals Extracted From Biopotential Data

NCT05498298
View directory record Official record
Conditions
Pregnancy Related
Interventions
Biopotentials measurement with gtec device
Device
Lead sponsor
Bloom Technologies
Industry
Eligibility
18 Years and older · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 13, 2022 · Synced Sep 4, 2026, 12:41 AM EDT
Terminated Phase 1 Interventional

Cold Heart Study: A Randomized Pilot Trial of Surfactant Therapy

NCT04181255
View directory record Official record
Conditions
Congenital Heart Disease, Hypoplastic Left Heart Syndrome
Interventions
Curosurf, Sham
Drug
Lead sponsor
University of Michigan
Other
Eligibility
1 Day to 12 Weeks
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 12, 2023 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Not applicable Interventional Results available

ZIPS Study - Zip Incision aPproximation vs. Suture

NCT02213510
View directory record Official record
Conditions
Wound, Cardiac Arrhythmia
Interventions
Zip Surgical Skin Closure Device, Standard Suture Closure
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 29, 2016 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Not applicable Interventional Results available

Bridge Occlusion Balloon in Lead Extraction Procedure

NCT02714153
View directory record Official record
Conditions
C.Surgical Procedure; Cardiac, Cardiac Dysrhythmia, Disorder of Pacing Function
Interventions
Bridge Balloon
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
7
States / cities
Miami, Florida • Boston, Massachusetts • Saint Paul, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2021 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Phase 2 Interventional Results available

Cardiovascular Effects of COVID-19

NCT04365699
View directory record Official record
Conditions
COVID-19
Interventions
AT-001
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2021 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Phase 2 Interventional Results available

Effects of Magnesium on Individuals Undergoing Coronary Artery Bypass Graft Surgery

NCT00041392
View directory record Official record
Conditions
Coronary Disease, Heart Diseases, Cardiovascular Diseases, Neurologic Manifestations
Interventions
Magnesium, 0.9% saline
Drug
Lead sponsor
Duke University
Other
Eligibility
55 Years and older
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 29, 2013 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Not applicable Interventional Results available

Comparing the Effectiveness of a Mitral Valve Repair Procedure in Combination With Coronary Artery Bypass Grafting (CABG) Versus CABG Alone in People With Moderate Ischemic Mitral Regurgitation

NCT00806988
View directory record Official record
Conditions
Mitral Valve Insufficiency, Coronary Artery Disease
Interventions
Mitral Valve Repair, CABG
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
19
States / cities
Los Angeles, California • Atlanta, Georgia • Marietta, Georgia + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2017 · Synced Sep 4, 2026, 12:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Objective Assessment of Technical Skills in Cardiothoracic Surgery

NCT01433029
View directory record Official record
Conditions
Other Surgical Procedures
Interventions
Surgical Video Assessments, Video Recording of CAB
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
21 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
6
States / cities
Dallas, Texas • Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2017 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Not applicable Interventional

Ketamine Pharmacokinetics in Children Having Heart Surgery

NCT00598195
View directory record Official record
Conditions
C.Surgical Procedure; Cardiac
Interventions
Ketamine
Drug
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
1 Day to 6 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Feb 26, 2013 · Synced Sep 4, 2026, 12:41 AM EDT
Completed No phase listed Observational

COMPASSION XT PAS - Post-approval Study of the SAPIEN XT THV in Patients With Pulmonary Valve Dysfunction

NCT02987387
View directory record Official record
Conditions
Pulmonary Valve Insufficiency, Pulmonary Valve Stenosis, Heart Defects, Congenital, Congenital Abnormalities, Cardiovascular Diseases, Heart Diseases
Interventions
SAPIEN XT THV
Device
Lead sponsor
Edwards Lifesciences
Industry
Eligibility
Not listed
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
12
States / cities
Birmingham, Alabama • Aurora, Colorado • Washington D.C., District of Columbia + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 4, 2026, 12:41 AM EDT
Recruiting No phase listed Observational

Non-interventional Study of Seroprevalence of Pre-existing Antibodies Against Adenovirus-associated Virus Vector (AAV9) and the Progression of Disease in Patients With Plakophilin 2 (PKP2)-Associated Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC)

NCT06311708
View directory record Official record
Conditions
Arrhythmogenic Right Ventricular Cardiomyopathy
Interventions
Not listed
Lead sponsor
Tenaya Therapeutics
Industry
Eligibility
14 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
8
States / cities
San Francisco, California • Aurora, Colorado • Baltimore, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2024 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Vitamin C on Endothelial Function and Exercise Capacity in Fontan-Palliated Patients

NCT00974025
View directory record Official record
Conditions
Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia
Interventions
Vitamin C, Placebo
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
8 Years to 25 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Sep 4, 2026, 12:41 AM EDT
Terminated Not applicable Interventional

Prophylactic Pulmonary Vein Isolation Study

NCT00587899
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Pulmonary Vein Isolation
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced Sep 4, 2026, 12:41 AM EDT
Completed Phase 4 Interventional Results available

Ticagrelor With Aspirin or Alone in High-Risk Patients After Coronary Intervention

NCT02270242
View directory record Official record
Conditions
Cardiovascular Disease, Interventional Cardiology
Interventions
Aspirin, Placebo, ticagrelor
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
9,006 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Sep 4, 2026, 12:41 AM EDT
Recruiting No phase listed Observational

Prospective Registry of Patients Undergoing Cardiac CT With NAEOTOM Alpha PCD-CT Before TAVI Procedure

NCT07016477
View directory record Official record
Conditions
Coronary Artery Disease, Aortic Valve Stenosis, Tomography, X-Ray Computed
Interventions
Ultra-High Resolution Photon Counting Detector Coronary Computed Tomography Angiography
Diagnostic Test
Lead sponsor
Semmelweis University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Sep 4, 2026, 12:41 AM EDT
Terminated No phase listed Observational

Intra-Atrial vs. Extra-Cardiac Technique During Fontan Operation

NCT00266942
View directory record Official record
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 18 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1990 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 22, 2007 · Synced Sep 4, 2026, 12:41 AM EDT
Recruiting Not applicable Interventional

A Randomized Placebo-procedure Controlled Trial of the Enhancor System (PULmonary Artery Denervation) to Evaluate Safety and Efficacy in Patients With Combined Pre- and Post-capillary Pulmonary Hypertension Associated With Left Heart Disease

NCT07214376
View directory record Official record
Conditions
Pulmonary Hypertension, Heart Failure With Reduced Ejection Fraction, Hypertension, Vascular Diseases, Cardiovascular Diseases, Heart Failure, Heart Failure With Preserved Ejection Fraction, Heart Failure With Mid Range Ejection Fraction
Interventions
Pulmonary Artery Denervation (PADN), Sham procedure control
Device
Lead sponsor
Pulnovo Medical, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
6
States / cities
Tucson, Arizona • Houma, Louisiana • Detroit, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 4, 2026, 12:41 AM EDT
Recruiting No phase listed Observational

Study of the Progression of Chronic Cardiovascular Conditions

NCT07420907
View directory record Official record
Conditions
Cardiovascular Disease (CVD), Heart Failure, Aortic Stenosis, Aortic Stenosis Disease, Hypertension, Hypertension (HTN), Hypertrophic Cardiomyopathy Patients, Hypertrophic Cardiomyopathy Without Obstruction, Hypertrophic Cardiomyopathy, Obstructive, Dilated Cardiomyopathy (DCM), Dilated Cardiomyopathy, Dilated Cardiomyopathy, Familial
Interventions
Not listed
Lead sponsor
Prolaio
Industry
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 4, 2026, 12:41 AM EDT